Asymptotic approximation of the nonsteady micropolar fluid flow through a circular pipe (CROSBI ID 247801)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Pažanin, Igor ; Radulović, Marko
engleski
Asymptotic approximation of the nonsteady micropolar fluid flow through a circular pipe
In this paper, we study the nonsteady flow of a micropolar fluid through a thin cylindrical pipe. The asymptotic behaviour of the flow is found via asymptotic analysis with respect to the small parameter $\epsilon$, representing the pipe's thickness. The asymptotic approximation is derived in the form of the explicit formulae for the fluid velocity and microrotation. We also provide the numerical examples in order to visualize the effects of the micropolar nature of the fluid. The illustrations indicate the influence of the micropolarity on the effective flow of the fluid in the whole domain. In particular, those effects are most clearly observed for the velocity approximation near the boundary of the domain.
micropolar fluid ; nonsteady flow ; circular pipe ; asymptotic solution
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Podaci o izdanju
2018
2018.
6759876
16
objavljeno
1024-123X
1563-5147
10.1155/2018/6759876